FA-10643 / Raster clipping / Member archive
Clip row both ends · case 03
Negative clipping coordinates are interpreted as Python indices from the row end.
Case contract
Clip integer half-open horizontal coverage [start,end) against a row extent [0,len(row)); return covered pixels in order.
Why this case matters
A deterministic software graphics stage with explicit channel and coordinate conventions; no hardware, device profile or API behavior is inferred.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| fixture 1 | [] | [0, 1] | Failed |
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